Stock Based Compensation (Notes)

9 Months Ended

Sep. 30, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation

Stock-based compensation awards granted by our Board of Directors for the three and nine months ended September 30, 2019 and 2018 were as follows:



	For the Three Months Ended September 30,		For the Nine Months Ended September 30,
	2019	2018	2019	2018
Award type:
Stock options	—	67,000	207,000	979,790
Deferred stock units	16,176	9,286	23,121	28,621
Restricted stock units	1,551	—	235,170	6,740

In the three months ended September 30, 2019 and 2018, we recognized $0.7 million and $0.5 million, respectively, in stock-based compensation expense. A majority of the expense, $0.6 million and $0.4 million respectively, was recorded as selling and administrative expenses in the Consolidated Statement of Operations, with the remaining expenses incurred as cost of sales and research and development.

In the nine months ended September 30, 2019 and 2018, we recognized $1.6 million and $0.7 million, respectively, in stock-based compensation expense. A majority of the expense, $1.4 million and $0.6 million respectively, was recorded as selling and administrative expenses in the Consolidated Statement of Operations, with the remaining expenses incurred as cost of sales and research and development.

As of September 30, 2019, unrecognized compensation cost related to non-vested stock options, deferred stock units and restricted stock units represents $7.9 million, which will be recognized over the remaining weighted average life of 4.0 years.

Stock Option, Deferred Stock Unit and Restricted Stock Unit awards activity under the Omnibus Equity Incentive Plan for the nine months ended September 30, 2019 was as follows:

Stock options



	Number of Shares		Weighted- Average Exercise Price
Outstanding unvested as of December 31, 2018	968,720		15.68
Granted	207,000		13.03
Vested	(188,810	)	15.70
Forfeited	(52,622	)	15.00
Outstanding unvested as of September 30, 2019	934,288		15.13

Deferred Stock Unit and Restricted Stock Unit awards



	Number of Shares		Weighted- Average Grant Date Fair Value
Outstanding unvested as of December 31, 2018	27,570		12.88
Granted	258,291		12.85
Vested	(22,687	)	12.52
Outstanding unvested as of September 30, 2019	263,174		12.95